3 Essential Controls
The goal of this section is to help customers spin their motor successfully in closed loop. This section provides
standardized steps to tune parameters for successful Motor spin-up in closed loop.
Closed loop is defined as the sensorless closed loop where motor spins at the commanded speed.
3.1 Recommended Default Values
Launch the MCF8316A EVM GUI. Load the recommended default values that are listed in Table 3-1.
Table 3-1. Recommended Default Values
Address Name Address Recommended Value
ISD_CONFIG 0x00000080 0x44638C20
REV_DRIVE_CONFIG 0x00000082 0x283AF064
MOTOR_STARTUP1 0x00000084 0x0B6807D0
MOTOR_STARTUP2 0x00000086 0x23066000
CLOSED_LOOP1 0x00000088 0x0C3181B0
CLOSED_LOOP2 0x0000008A 0x1AAD0000
CLOSED_LOOP3 0x0000008C 0x00000000
CLOSED_LOOP4 0x0000008E 0x0000012C
SPEED_PROFILES1 0x00000094 0x00000000
SPEED_PROFILES2 0x00000096 0x00000000
SPEED_PROFILES3 0x00000098 0x00000000
SPEED_PROFILES4 0x0000009A 0x00000000
SPEED_PROFILES5 0x0000009C 0x00000000
SPEED_PROFILES6 0x0000009E 0x00000000
FAULT_CONFIG1 0x00000090 0x5FE80206
FAULT_CONFIG2 0x00000092 0x74000000
PIN_CONFIG 0x000000A4 0x00000000
DEVICE_CONFIG1 0x000000A6 0x00000000
DEVICE_CONFIG2 0x000000A8 0x0000B000
PERI_CONFIG1 0x000000AA 0x40000000
GD_CONFIG1 0x000000AC 0x00000100
GD_CONFIG2 0x000000AE 0x00200000
ALGO_CTRL1 0x000000EA 0x00000000
INT_ALGO_1 0x000000A0 0x00B3407D
INT_ALGO_2 0x000000A2 0x000001A7
3.2 Device and Pin Configuration
3.2.1 Speed Input Mode
MCF8316A provides four options to configure the input speed command.
• PWM input on SPEED pin by varying duty cycle of input signal
• Frequency input on SPEED pin by varying frequency of input signal
• Analog input on SPEED pin by varying amplitude of input signal
• Over I
2
C by configuring SPEED_CTRL
Essential Controls www.ti.com
6 MCF8316A Tuning Guide SLLU335A – AUGUST 2021 – REVISED JANUARY 2022
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